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75 lines
2.8 KiB
C++
Executable file
75 lines
2.8 KiB
C++
Executable file
// Copyright (c) 2016 Klemens D. Morgenstern
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_PROCESS_POSIX_HPP_
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#define BOOST_PROCESS_POSIX_HPP_
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#include <boost/process/detail/posix/fd.hpp>
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#include <boost/process/detail/posix/handler.hpp>
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#include <boost/process/detail/posix/use_vfork.hpp>
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#include <boost/process/detail/posix/signal.hpp>
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/** \file boost/process/posix.hpp
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*
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* Header which provides the posix extensions.
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\xmlonly
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<programlisting>
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namespace boost {
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namespace process {
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namespace posix {
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<emphasis>unspecified</emphasis> <globalname alt="boost::process::posix::fd">fd</globalname>;
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<emphasis>unspecified</emphasis> <globalname alt="boost::process::posix::sig">sig</globalname>;
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<emphasis>unspecified</emphasis> <globalname alt="boost::process::posix::use_vfork">use_vfork</globalname>;
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}
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}
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}
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</programlisting>
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* \endxmlonly
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* \warning Only available on posix. See the documentation of [fork](http://pubs.opengroup.org/onlinepubs/009695399/functions/fork.html),
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* [execve](http://pubs.opengroup.org/onlinepubs/009695399/functions/execve.html) and
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* [vfork](http://pubs.opengroup.org/onlinepubs/009695399/functions/vfork.html).
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*
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*/
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namespace boost { namespace process {
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///Namespace containing the posix exensions.
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namespace posix {
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/** This property lets you modify file-descriptors other than the standard ones (0,1,2).
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*
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* It provides the functions `bind`, which implements [dup2](http://pubs.opengroup.org/onlinepubs/9699919799/functions/dup.html)
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* and [close](http://pubs.opengroup.org/onlinepubs/9699919799/functions/close.html).
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*
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* Close can also be called with a range of file-descriptors to be closed.
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*
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*/
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constexpr ::boost::process::detail::posix::fd_ fd;
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/** This property lets you modify the handling of `SIGCHLD` for this call. It will be reset afterwards.
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It can be set to default, by the expression `sig.dfl()`, set to ignore with `sig.ign()` or
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assigned a custom handler. A custom handler must have the type `sighandler_t`and can be assigned with the following syntax:
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\code{.cpp}
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sig = handler;
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sig(handler);
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\endcode
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\warning @ref spawn will automatically use `sig.ign()`, which will override if you pass a custom handler.
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*/
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constexpr ::boost::process::detail::posix::sig_ sig;
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/** This property will replace the usage of [fork](http://pubs.opengroup.org/onlinepubs/9699919799/functions/fork.html) by [vfork](http://pubs.opengroup.org/onlinepubs/009695399/functions/vfork.html).
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\note `vfork` is no longer an official part of the posix standard.
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*/
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constexpr ::boost::process::detail::posix::use_vfork_ use_vfork;
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using ::boost::process::detail::posix::sighandler_t;
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}}}
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#endif /* BOOST_PROCESS_POSIX_HPP_ */
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